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CVE

CVE-2026-91995

pig before 4.1.0 Unverified Password Change via /register/password
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CVE

CVE-2026-91995

pig before 4.1.0 Unverified Password Change via /register/password

pig before 4.1.0 contains an authentication bypass vulnerability in the /register/password endpoint where password verification results are discarded, allowing any value as the current password. Remote attackers can submit a username with an incorrect current password to overwrite any account credential including the admin account and gain full administrative control.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.3
-
4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
C
H
U
0
-
C
H
U
-

Related Resources

No items found.

References

https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/91xxx/CVE-2026-91995.json, https://nvd.nist.gov/vuln/detail/CVE-2026-91995, https://www.vulncheck.com/advisories/pig-before-4.1.0-unverified-password-change-via-register-password, https://github.com/pig-mesh/pig/issues/1249, https://github.com/pig-mesh/pig/commit/ce958668f399110b97b3f1fcc5f517ff9bcfd535, https://github.com/pig-mesh/pig, https://github.com/pig-mesh/pig/blob/v4.0.0/pig-upms/pig-upms-biz/src/main/java/com/pig4cloud/pig/admin/controller/SysRegisterController.java#L21-L53, https://github.com/pig-mesh/pig/blob/v4.0.0/pig-upms/pig-upms-biz/src/main/java/com/pig4cloud/pig/admin/service/impl/SysUserServiceImpl.java#L650-L669, https://github.com/geo-chen/oss/blob/main/pig.md

Severity

0

CVSS Score
0
10

Basic Information

Base CVSS
0
EPSS Probability
0.00876%
EPSS Percentile
0.57764%
Introduced Version
0
Fix Available
ce958668f399110b97b3f1fcc5f517ff9bcfd535

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